19915995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{10973}}^1$

素因数の和:11003

約数の個数: 24

約数和(自身を含む): 35029008

約数和(自身を除く): 15113013

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 10973, 32919, 54865, 120703, 164595, 362109, 603515, 1327733, 1810545, 3983199, 6638665, 19915995]

約数ペア:

[(1, 19915995), (3, 6638665), (5, 3983199), (11, 1810545), (15, 1327733), (33, 603515), (55, 362109), (121, 164595), (165, 120703), (363, 54865), (605, 32919), (1815, 10973)]